Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction: Ca2*(aq) + 2Cu*(aq)Cd(s) + 2Cu²*(aq) Answer: kJ K for this reaction would be than one. Cu2*(aq) + 2 e → Cu(s) 0.337 Cu2*(aq) + e Cu"(aq) 0.153 –→ S(s) + 2 H"(aq) + 2 e¯ →H2S(aq) 0.14 +. 2 H"(aq) + 2 e →H2(g) 0.0000 Pb2+(aq) + 2 e Pb(s) -0.126 Sn2+ (aq) + 2 e. → Sn(s) -0.14 Ni²+, (aq) + 2 e . Ni(s) -0.25 Co2+(aq) + 2 e → Co(s) -0.28 Cd2* (aq) + 2 e¯ → Cd(s) -0.403

Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction: Ca2(aq) + 2Cu(aq)Cd(s) + 2Cu²(aq) Answer: kJ K for this reaction would be than one. Cu2(aq) + 2 e → Cu(s) 0.337 Cu2(aq) + e Cu"(aq) 0.153 –→ S(s) + 2 H"(aq) + 2 e¯ →H2S(aq) 0.14 +. 2 H"(aq) + 2 e →H2(g) 0.0000 Pb2+(aq) + 2 e Pb(s) -0.126 Sn2+ (aq) + 2 e. → Sn(s) -0.14 Ni²+, (aq) + 2 e . Ni(s) -0.25 Co2+(aq) + 2 e → Co(s) -0.28 Cd2 (aq) + 2 e¯ → Cd(s) -0.403

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter13: Electrochemistry

Section: Chapter Questions

Problem 13.21PAE: Using values from the table of standard reduction potentials, calculate the cell potentials of the...

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